| article html file updated | 29 August 2025 23:14 CEST | Update | https://www.mdpi.com/1422-0067/17/6/951 | 
| article html file updated | 16 July 2022 02:39 CEST | Update | - | 
| article html file updated | 7 February 2020 10:18 CET | Update | - | 
| article html file updated | 5 May 2019 12:43 CEST | Update | - | 
| article html file updated | 27 March 2019 07:43 CET | Update | - | 
| article html file updated | 29 June 2016 03:59 CEST | Update | - | 
| article html file updated | 16 June 2016 14:15 CEST | Original file | - | 
| article xml uploaded. | 16 June 2016 14:14 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/951/xml | 
| article pdf uploaded. | 16 June 2016 14:14 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/951/pdf |